1320103212210 has 96 divisors (see below), whose sum is σ = 3634748836992. Its totient is φ = 331266931200.

The previous prime is 1320103212199. The next prime is 1320103212221. The reversal of 1320103212210 is 122123010231.

1320103212210 is a `hidden beast` number, since 1 + 320 + 1 + 0 + 321 + 2 + 21 + 0 = 666.

It is an interprime number because it is at equal distance from previous prime (1320103212199) and next prime (1320103212221).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 9957177 + ... + 10088883.

It is an arithmetic number, because the mean of its divisors is an integer number (37861967052).

Almost surely, 2^{1320103212210} is an apocalyptic number.

1320103212210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1320103212210 is an abundant number, since it is smaller than the sum of its proper divisors (2314645624782).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1320103212210 is a wasteful number, since it uses less digits than its factorization.

1320103212210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138288 (or 138285 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 1320103212210 its reverse (122123010231), we get a palindrome (1442226222441).

The spelling of 1320103212210 in words is "one trillion, three hundred twenty billion, one hundred three million, two hundred twelve thousand, two hundred ten".